Painted from a dream
In his Mengxi Bitan, written in the Song dynasty, the scholar Shen Kuo tells how Wu Daozi painted Zhong Kui as the Tang emperor Xuanzong had seen him in a dream. It is the earliest record of the picture in our files.
To verify: The Mengxi Bitan passage itself; our source is a 2026 article; What the emperor dreamed, in the book’s own words